/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.mfi.controllers;

import com.mfi.models.DBConnection;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Apol
 */
public class TransactionsUpdateServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if (request.getParameter("id") != null) {
                int id = Integer.parseInt(request.getParameter("id"));
                DBConnection connection = new DBConnection();
                if (request.getParameter("confirm") != null) {
                    if (connection.approveTransaction(id)) {
                        request.getSession().setAttribute("message", "Order Accepted!");
                    } else {
                        request.getSession().setAttribute("error", "Error occured!");    
                    }
                } else if (request.getParameter("reject") != null) {
                    if (connection.rejectTransaction(id)) {
                        request.getSession().setAttribute("message", "Order Rejected!");
                    } else {
                        request.getSession().setAttribute("error", "Error occured!");    
                    }
                } else {
                    if (connection.completeTransaction(id)) {
                        request.getSession().setAttribute("message", "Order Completed!");
                    } else {
                        request.getSession().setAttribute("error", "Error occured!");    
                    }
                }
                    
            } else {
                request.getSession().setAttribute("error", "Order Transaction not found.");
            }
            response.sendRedirect("/manage/order");
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
